Ramos, Paula S. http://orcid.org/0000-0002-9433-6634
Zimmerman, Kip D.
Haddad, Sandra
Langefeld, Carl D.
Medsger, Thomas A. Jr
Feghali-Bostwick, Carol A.
Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (K24 AR060297, K01 AR067280)
Scleroderma Foundation
Article History
Received: 27 November 2018
Accepted: 11 March 2019
First Online: 4 April 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the University of Pittsburgh (IRB 0403072). Informed consent was obtained from all participants. All research included in this manuscript conforms with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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